Rock Oil Guardian Motorcycle Oils are  Semi Synthetic engine oils premium grade 4 stroke engine oils that meet the exacting demands of modern high performance motorcycle engines.

  • Advanced additive, high detergent formulation ensures maximum engine component protection and superior resistance to deposits and corrosion, resulting in extended engine life and optimum performance under the most arduous of conditions
  • Rapid cold start circulation, providing maximum protection during initial start up
  • Passes crucial clutch friction test required to meet the JASO MA/MA2 specifications, allowing safe, predictable use in wet clutch applications
  • Reduced phosphorous level to ensure excellent compatibility with catalysts now fitted to the latest motorcycles

The Guardian Motorcycle range of engine oils meet or exceed the following specifications:

  • API SL